Cause specific mortality by duration of employment, men only, Richmond and El Segundo refineries, 1950–95
| Years worked at the Richmond refinery | Years worked at the El Segundo refinery | Years worked at either refinery | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cause of death (ICDA-8) | <5 | 5–14 | 15–29 | ≥30 | <5 | 5–14 | 15–29 | ≥30 | <5 | 5–14 | 15–29 | ≥30 |
| *p<0.05; **p<0.01; –, no observed deaths. | ||||||||||||
| At risk (n) | 8766 | 6698 | 4028 | 2060 | 5566 | 3887 | 2276 | 971 | 14162 | 10511 | 6338 | 3052 |
| Person-years | 91054.6 | 95120.2 | 61042.2 | 38336.2 | 55645.5 | 50131.9 | 33613.7 | 17880.1 | 141839.1 | 141419.2 | 93513.7 | 55643.3 |
| All causes of death (001 to 999) | 88.7* | 85.4** | 84.5** | 82.8** | 83.5** | 90.5 | 84.0** | 76.2** | 88.1** | 87.9** | 84.5** | 80.3** |
| All malignant neoplasms (140 to 209) | 98.4 | 93.2 | 85.1* | 88.8* | 88.6 | 91.7 | 84.1 | 76.2** | 95.4 | 93.0 | 84.9** | 84.3** |
| Cancer of buccal cavity and pharynx (140 to 149) | 34.5 | 81.2 | 56.4 | 62.2 | – | – | 92.8 | 99.3 | 20.7 | 54.0 | 70.4 | 74.2 |
| Cancer of digestive organs and peritoneum (150 to 159) | 55.6* | 84.2 | 85.0 | 96.1 | 64.5 | 58.1* | 84.9 | 73.0 | 61.2* | 73.8* | 85.4 | 87.8 |
| Cancer of oesophagus (150) | 37.9 | 142.1 | 133.4 | 92.7 | 158.4 | 221.3 | 137.0 | 53.3 | 91.1 | 174.2 | 135.5 | 79.2 |
| Cancer of stomach (151) | 26.7 | 55.0 | 146.4 | 104.7 | 37.0 | 26.2 | 75.8 | 40.6 | 31.9 | 46.1 | 120.3 | 82.6 |
| Cancer of large intestine (153) | 67.9 | 83.6 | 70.4 | 103.0 | 91.4 | 55.5 | 53.1 | 94.6 | 80.5 | 65.6 | 64.1* | 99.6 |
| Cancer of rectum (154) | 51.9 | 155.8 | 83.3 | 124.5 | – | – | 135.3 | 71.9 | 30.8 | 104.1 | 103.5 | 106.1 |
| Cancer of biliary passages and liver (155 to 156) | – | 26.5 | 39.0 | 46.2 | 54.1 | – | 63.9 | 60.5 | 22.9 | 17.6* | 48.7 | 50.7 |
| Cancer of pancreas (157) | 100.2 | 56.9 | 59.9 | 77.9 | 27.3 | 21.0 | 98.0 | 58.7 | 71.6 | 45.4* | 74.8 | 71.0 |
| Cancer of respiratory system (160 to 163) | 140.5* | 116.6 | 68.1** | 65.0** | 115.5 | 109.8 | 80.5 | 69.3* | 134.2* | 114.9 | 74.0** | 65.4** |
| Cancer of larynx (161) | – | 103.0 | 67.7 | 192.4 | – | 95.7 | 219.9 | 108.5 | – | 103.0 | 126.2 | 163.4 |
| Cancer of bronchus, trachea, lung (162) | 144.1* | 116.8 | 64.0** | 61.0** | 120.9 | 105.0 | 72.4 | 66.7* | 138.7** | 113.2 | 68.3** | 61.8** |
| Cancer of prostate (men only) (185) | 75.1 | 75.1 | 111.9 | 96.8 | 93.3 | 106.1 | 52.8 | 80.3 | 86.5 | 83.4 | 89.8 | 90.6 |
| Cancer of kidney (189) | 149.0 | 70.8 | 85.8 | 129.3 | 104.2 | 43.6 | 111.1 | 85.5 | 112.0 | 62.8 | 85.2 | 123.5 |
| Cancer of bladder and other urinary organs (188, 189.9) | 53.2 | 48.2 | 91.4 | 99.1 | – | 89.0 | 41.5 | 66.4 | 31.0 | 64.3 | 72.5 | 87.3 |
| Malignant melanoma of skin (172 except scrotum) | 104.4 | 108.7 | 109.3 | 165.7 | 51.4 | 99.0 | 134.9 | 112.7 | 85.2 | 107.4 | 119.3 | 147.2 |
| Cancer of nervous system (191 to 192) | 97.4 | 120.7 | 122.4 | 146.4 | 178.1 | 94.5 | 127.6 | 100.5 | 118.8 | 113.7 | 124.7 | 130.6 |
| Cancer of bone (170) | – | – | – | – | – | – | – | – | – | – | – | – |
| Cancer of all lymphatic, haematopoietic tissue (200 to 209) | 60.0 | 78.8 | 136.3 | 139.8 | 73.8 | 72.3 | 104.8 | 76.2 | 67.5 | 78.3 | 124.9 | 117.5 |
| Lymphosarcoma and reticulosarcoma (200) | 73.9 | 73.9 | 131.5 | 229.2* | – | 139.3 | 89.5 | 49.2 | 44.5 | 98.2 | 116.1 | 167.3 |
| Hodgkin's disease (201) | 83.4 | 122.4 | 138.3 | – | 131.3 | 116.3 | 121.6 | – | 103.8 | 121.6 | 132.2 | – |
| Leukaemia and aleukaemia (204 to 207) | 22.1 | 72.4 | 97.8 | 148.6 | – | 79.8 | 123.9 | 83.4 | 13.4** | 76.7 | 108.2 | 125.6 |
| Cancer of all other lymphopoietic tissue (202, 203, 208, and 209) | 87.2 | 76.4 | 176.9* | 114.2 | 152.8 | 27.5 | 89.1 | 86.0 | 118.2 | 60.7 | 144.2 | 104.0 |
| Benign neoplasms (210 to 239) | 164.8 | 99.7 | 35.7 | 128.0 | 118.4 | 91.5 | 177.6 | 180.1 | 149.6 | 98.8 | 89.5 | 145.4 |
| Diabetes mellitus (250) | 67.5 | 62.1 | 52.4 | 75.6 | –* | 77.1 | 61.6 | 67.0 | 40.7 | 68.9 | 56.1* | 72.3 |
| Cerebrovascular disease (430 to 438) | 106.5 | 72.9 | 75.4* | 80.1* | 101.3 | 75.5 | 106.7 | 69.3* | 107.5 | 68.4* | 87.7 | 76.7** |
| All heart disease (390 to 398, 400.1, 400.9, 402, 404, 410 to 414, 420 to 429) | 88.1 | 89.1 | 88.3* | 84.5** | 89.5 | 108.9 | 89.1 | 82.5** | 91.1 | 97.5 | 88.9** | 83.6** |
| Ischaemic heart disease (410 to 414) | 97.5 | 91.1 | 87.7* | 83.5** | 89.3 | 108.6 | 89.9 | 82.5** | 96.5 | 98.5 | 88.9** | 83.0** |
| Hypertension with heart disease (400.1, 400.9, 402, 404) | 23.5 | 14.8* | 85.2 | 79.7 | 102.0 | 55.6 | 52.0 | 45.8 | 57.1 | 29.7* | 72.9 | 67.7 |
| Hypertension without heart disease (400, 400.2, 400.3, 401, 403) | 129.1 | 115.1 | 35.1 | 49.1 | – | 111.1 | 57.0 | – | 77.2 | 116.2 | 43.7 | 31.5 |
| Non-malignant respiratory disease (460 to 519) | 108.3 | 111.0 | 84.6 | 64.4** | 71.0 | 73.5 | 89.0 | 53.7** | 92.8 | 100.5 | 86.8 | 60.3** |
| Influenza and pneumonia (470 to 474 and 480 to 486) | 89.6 | 66.4 | 103.0 | 71.2* | 45.0 | 66.4 | 113.8 | 63.2* | 66.2 | 68.1 | 107.7 | 68.0** |
| Emphysema (492) | 80.9 | 61.6 | 37.6** | 48.2** | 68.0 | 77.0 | 60.5 | 34.8** | 77.9 | 68.6 | 46.6** | 43.4** |
| Cirrhosis (571) | 111.7 | 63.8* | 47.8** | 62.2* | 65.7 | 72.5 | 31.8** | 86.7 | 95.5 | 68.1* | 41.9** | 69.8* |
| All external causes of death (e800 to e999) | 75.9* | 68.7** | 83.1 | 67.3* | 85.7 | 80.6 | 71.1 | 68.5 | 80.9* | 72.9** | 78.7* | 67.4** |
| Motor vehicle accidents (e810 to e823) | 101.1 | 45.5** | 112.5 | 46.9 | 79.3 | 105.0 | 27.6* | 31.3 | 94.2 | 66.5* | 82.1 | 41.5** |
| Suicides (e950 to e959) | 80.1 | 71.5 | 117.5 | 89.2 | 91.4 | 85.2 | 150.6 | 95.4 | 86.1 | 74.9 | 129.5 | 90.8 |